You would need 'Limit mates' and 'Assembly Inteference check' - if you request these by sending feedback through ?-menu, you will get noticed when they get implemented. The more requests there is for certain feature the higher priority they get.

You would need 'Limit mates' and 'Assembly Inteference check' - if you request these by sending feedback through ?-menu, you will get noticed when they get implemented. The more requests there is for certain feature the higher priority they get.